73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22-02-2024 05:42

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4736	b2e.exe
2132	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2008-4-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4484 wrote to memory of 2132	4484	cmd.exe	78
PID 4484 wrote to memory of 2132	4484	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\730D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\730D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\730D.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\74D2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4484
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\730D.tmp\b2e.exe

Filesize
7.9MB

MD5
6089f20598046a8a9483ad7feb87f1bb

SHA1
816c64f4b533a94f5be4ccc01022a1a70d7e3ee0

SHA256
2d87e92e9aa50d1c631fe5c1f72a20d5b205f3bbbfdeca1de29e295f5da84951

SHA512
4ab6d4059dc7399ec87ec689530b49714addd13da7f29c659defc4f78839890d5c87d8c5d6d6603319921df2efef08210ff1b314188b016aad4fd1fa74e89cb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\730D.tmp\b2e.exe

Filesize
7.7MB

MD5
7e3c8f83195cb66750d0cb6a49f7e833

SHA1
9337604c05f13e6e38d41a84de92bd044a914019

SHA256
0d611231500485582d5c0e3df606ddbbf899212b5fb6168148c00dae034e5f99

SHA512
c1e70b1835731f3f092d073bd5200f93b9cfc82801f30a4630662c25d094eb3175bdaf708168d54980b5feed800800c26594e528179b9851d4e942ef04201263

Download Submit
C:\Users\Admin\AppData\Local\Temp\74D2.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.2MB

MD5
d37d92f538e8ce94879b9d9667206b3d

SHA1
f0811f2caf311dca83d4361ab338d50d6b3bc784

SHA256
40b9bf68324f80b6501803d64d54d51e377a127228d602604706aa0b5e8e7bd7

SHA512
f6ebe5a25b9c8cf76d7a8e9aae4f5ed58201ef5bec1d9c0117979ff4b1474795bfb6aa0309b4e1a9c52c2260f376a69fd1b22e18e2522ba76d4c513ee33d5dc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.2MB

MD5
c0ef97c80c101dd2d5cfdc6a57516dbc

SHA1
6ec0c64c66f8ecc82b383141d298feef8f779daf

SHA256
ddb9c84b41b613fada6099383835e419d169c9174720c1b8c9436a3738c7784f

SHA512
0a0d2b4bf72fda34716e004938aa1f3fe56ac3d08a47480196194c755b362e2fcd34014ca4983c915671ee01a88257510d6f54ce9de3d0ca35059f1079ad965a

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
2.7MB

MD5
13421f4dd46ddf4d91362993cdb3fd3e

SHA1
d6753d2dcd089bead5ad4bd17bd9bacb645a5414

SHA256
cb795c33359ee06c215ac9e725de0ef0d5a19fd80780e5dcc6723ffa85b4d52b

SHA512
9553e4d18856b8f3b3ff4b285f206f331af97106451256379b21364b1d223f4b52578b9b74b801036f21e169cbc72afef1dc15990e217e13937d822186f0d17b

Download Submit
C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
2.2MB

MD5
e969395481ab928270fb8ca32158749b

SHA1
2edf9382aa3ee6d9f47878ebddfe836a849391d8

SHA256
1ab031f3f22aec820c34878ac4a957dc36e6957e2cde11ed8f1e67af71637430

SHA512
98b37ae63628e7395500b7cff3a228eecaee5d5323194efcb142f7809b56a576f37d1f5059f45115601b3f346d5b3136c69680df3fda6a8db3b438cd57a2c672

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
1.6MB

MD5
7b74084af6621a7ebcfdda0381b23300

SHA1
dd73fe1b548335bac76a32165acc910ffcfe9d8a

SHA256
7910c296e7988a02d85099f202f07613f93f28713c107f5cde1784720354596c

SHA512
75817fef856d8229122dc5069594c7ba06e32fde9ad28aaed7e0753c80e4bb0a4e2e0fac92d44f19cff9755ef24b7a94e55c4484bef396c60c54e3a7b5d19192

Download Submit
memory/2008-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2132-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2132-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/2132-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2132-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-43-0x00000000596F0000-0x0000000059788000-memory.dmp

Filesize
608KB

Download
memory/2132-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4736-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4736-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download